# VocaPuff vs PureStudy

The clearest difference is in-app purchases: VocaPuff at none against PureStudy's 2. PureStudy's advantage is update cadence (every 3 days vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PureStudy sells 2 in-app purchases, starting at $1.99 per month. VocaPuff asks for nothing beyond the download.

VocaPuff ships an update every 5 months, PureStudy every 3 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | VocaPuff | PureStudy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 6 MB | 182 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jinwan Kim](https://appshunter.io/developer/1446513824) | [chanhyeok choi](https://appshunter.io/developer/1799983470) |

## What reviewers say

### VocaPuff

[App page](https://appshunter.io/ios/app/vocapuff-english/id6761618848)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PureStudy

[App page](https://appshunter.io/ios/app/purestudy-camera-focus-timer/id6766282371)

This app helps you focus on studying by using your phone's camera to track your study sessions. It offers features like a confirmation prompt to prevent accidental session endings and automatic resumption of focus sounds after calls. The app also provides faster widget updates and bug fixes for improved stability.

**Highlights:** Camera focus timer, Study session tracking, Confirmation prompt for session end, Automatic focus sound resume, Faster widget updates, Bug fixes and stability improvements

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PureStudy Pro Monthly | $1.99 | per month |
| PureStudy Pro Yearly | $5.99 | per year |


## Frequently asked questions

### Is VocaPuff free?

VocaPuff is free to download, with no in-app purchases.

### Is PureStudy free?

PureStudy is free to download, with in-app purchases available.

### Do VocaPuff or PureStudy have ads?

Neither VocaPuff nor PureStudy shows ads.

### Which is updated more often, VocaPuff or PureStudy?

VocaPuff ships an update every 5 months, and PureStudy every 3 days. Most recently, VocaPuff was updated on October 28, 2026 and PureStudy on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*